Home / 13,933.96-19,233.47-12,457.74

Finding the Fourth Proportional to 13,933.96, 19,233.47 and 12,457.74

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Solution

The fourth proportional to 13,933.96, 19,233.47 and 12,457.74 is: 17,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.96 : 19,233.47 = 12,457.74 : x
  2. Step 2: Convert to fraction form
    13,933.96/19,233.47 = 12,457.74/x
  3. Step 3: Cross multiply
    13,933.96x = 19,233.47 × 12,457.74
  4. Step 4: Simplify right side
    13,933.96x = 239,605,568.56
  5. Step 5: Solve for x
    x = 239,605,568.56/13,933.96
  6. Step 6: Final answer
    x = 17,195.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.